member nihon genryoco., ltd....delivered 3 mobile water treatment units to vietnam maritime...

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Member Name Nihon Genryo Co., Ltd. Address NKF Kawasaki Bldg. 1-2 Higashida-cho, Kawasaki-ku, (Address in Kawasaki City) Kawasaki-shi, Kanagawa 210-0005, Japan Website URL http://www.genryo.co.jp Sector and Name Overseas Management Division Contact information 044-222-5555 Company outline Nihon Genryo, founded in 1939 as the manufacturer specialized in filter sand media, we have been expanding “Water Treatment Services” in Japan. More than 80% of water purification plants all over Japan use our products of filter sand media. With our knowhow and technology we became a pioneer of the rehabilitation of washing the dirty filter media, for recycling, and have been developing the water treatment unit which does not need change filter media using “Siphon Washing System”, our original washing technology. “Siphon Washing System”, which we invented by ourselves, is the revolutionary technology of washing filter media, which can contribute to environmental conservation and cost savings such as the reduction efforts of water and electric power consumption. The water treatment unit adopted this technology is suitable for small villages and even remote corners of the world because it is maintenancefree. Specially the mobile one is used in spite of domestic or foreign country for the disaster relief activities of such as Japanese earthquake, heavy rain, Typhoon Yolanda in the Republic of the Philippines and so on because it can supply water for the just short installation time. We would like to resolve the problem of Social Disparities in Drinking Water Quality in the World with our unique technology in order to make the CHILDREN, who cannot get safe drinking water in the countries, SMILE. The rehabilitation, Japanese characteristic construction work, for the recycling of “Filter Media”, which purifies drinking water At Japanese purification plants, the rehabilitation of washing filter sand media for recycling is operated regularly. Before, the dirty filter media had been treated as industrial waste and replaced new one. On the other hand, around 1960, we advocated the necessity of filter media rehabilitation because of the difficulty of getting the sand as natural resource for filter media, the point of view of environmental conservation and so on. However, from around 1990 it got more difficult to recycle filter media with the conventional rehabilitation because a load for the filter media got higher for various reasons, such as water pollution, which is the rapid deterioration of the quality of the raw water. At the time Nihon Genryo, the pioneer of filter media rehabilitation, we developed “Siphon Washing System”, with various experiences and researches. “Siphon Tank”, the epochmaking washing device of filter sand, which is adopted “Siphon Washing System”, can remove the adhered dirt without any damage to filter media. Siphon Tank, washing filter media machine Used sand New sand After Siphon washing The effort of Siphon Washing System (Siphon Washing System can adjust the level of cleanliness) * Received International Patent. * Received the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology (MEXT). * Received the National Commendation for Invention. The series of Siphon Tanks, which were authorized Low CO2 Kawasaki Brand, the ecofriendly filtration devices. 27

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Page 1: Member Nihon GenryoCo., Ltd....Delivered 3 mobile water treatment units to Vietnam Maritime University in Haiphong, the Socialist Republic of Vietnam for “Non‐project Grant Aid”

Member Name Nihon Genryo Co., Ltd.

Address NKF Kawasaki Bldg. 1-2 Higashida-cho, Kawasaki-ku,

(Address in Kawasaki City) Kawasaki-shi, Kanagawa 210-0005, Japan

Website URL http://www.genryo.co.jp

Sector and Name Overseas Management Division

Contactinformation 044-222-5555

Company outline

Nihon Genryo, founded in 1939 as the manufacturer specialized in filter sand media, we have been expanding “Water Treatment Services” in Japan. More than 80% of water purification plants all over Japan use our products of filter sand media. With our know‐how and technology we became a pioneer of the rehabilitation of washing the dirty filter media, for recycling, and have been developing the water treatment unit which does not need change filter media using “Siphon Washing System”, our original washing technology. “Siphon Washing System”, which we invented by ourselves, is the revolutionary technology of washing filter media, which can contribute to environmental conservation and cost savings such as the reduction efforts of water and electric power consumption. The water treatment unit adopted this technology is suitable for small villages and even remote corners of the world because it is maintenance‐free. Specially the mobile one is used in spite of domestic or foreign country for the disaster relief activities of such as Japanese earthquake, heavy rain, Typhoon Yolanda in the Republic of the Philippines and so on because it can supply water for the just short installation time. We would like to resolve the problem of Social Disparities in Drinking Water Quality in the World with our unique technology in order to make the CHILDREN, who cannot get safe drinking water in the countries, SMILE.

The rehabilitation, Japanese characteristic construction work, for the recycling of “Filter Media”, which purifies drinking water 

At Japanese purification plants, the rehabilitation of washing filter sand media for recycling is operated regularly. Before, the dirty filter media had been treated as industrial waste and replaced new one. On the other hand, around 1960, we advocated the necessity of filter media rehabilitation because of the difficulty of getting the sand as natural resource for filter media, the point of view of environmental conservation and so on. However, from around 1990 it got more difficult to recycle filter media with the conventional rehabilitation because a load for the filter media got higher for various reasons, such as water pollution, which is the rapid deterioration of the quality of the raw water. At the time Nihon Genryo, the pioneer of filter media rehabilitation, we developed “Siphon Washing System”, with various experiences and researches. “Siphon Tank”, the epoch‐making washing device of filter sand, which is adopted “Siphon Washing System”, can remove the adhered dirt without any damage to filter media. 

Siphon Tank, washing filter media machine

Used sandNew sand After Siphonwashing

The effort of  Siphon Washing System(Siphon Washing System can adjust the level of cleanliness) * Received International Patent.

* Received the Commendation for Science and   Technology by the Minister of Education, Culture,      Sports, Science and Technology (MEXT).

* Received the National Commendation for Invention.

The series of Siphon Tanks, which were authorized Low CO2 Kawasaki Brand, the eco‐friendly filtration devices.

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Page 2: Member Nihon GenryoCo., Ltd....Delivered 3 mobile water treatment units to Vietnam Maritime University in Haiphong, the Socialist Republic of Vietnam for “Non‐project Grant Aid”

●Mobile Siphon Tank (mobile water treatment unit of sand filtration)Eco‐friendly water treatment unit to supply the drinking water, whose turbidity is the drinkable level; also, it is available for the high turbidity raw water.

The introduction of water treatment units adopted “Siphon Washing System”

Features of "Siphon Washing System“

●The effort of Siphon Washing System, combined backwashing can keep filter media always clean.

●Because Siphon Washing System can make filter media wash each other without any damage, even stubborn dirt, which Backwashing cannot exfoliate, can be taken away and it causes the replacement of filter media to be eliminated.

●Reduction of Backwashing water consumption, maintenance cost and CO2 emissions.

●Reduction of Backwashing time with the effective effort of Siphon Washing System.

A vortex flow is generated by the gravity of particles and the lift force created by the screw.

•The filtration bed area is secured by the ribbon screw.

Principle of washing filter media

Particles running outward due to the centrifugal force generate a vortex flow.

●New Product in Siphon Series! “Non‐Electric Siphon Tank”Sand Filtration Device with Non‐Electric Source. Any function can be operated by hands, including in‐taking water, feeding water and Siphon washing.

Type TankDia.(mm)

Length(mm)

Width(mm)

Height(mm)

Speed Reducer(kW)

Qty of water (LV=10)

Weight(Kg)

MST450 φ450 1000 1000 2060 0.75 1.6m3/h 900

MST700 φ700 2125 1375 2230 3.7 3.8m3/h 1900

MST1000 φ1000 2800 1700 2280 5.5 7.8m3/h 2500

MST1200 φ1200 3000 1900 2475 5.5 11.3m3/h 2900

MST1600 φ1600 3550 2100 2650 7.5 20.0m3/h 3500

MST1800 φ1800 3550 2100 2670 7.5 25.4m3/h 4200

【Specification】* The separate type for overseas model is also available for MST‐1600 and 1800.

No need to replace filter media! Siphon Washing System is adopted which all kinds of Siphon Tank series stabilized.

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Page 3: Member Nihon GenryoCo., Ltd....Delivered 3 mobile water treatment units to Vietnam Maritime University in Haiphong, the Socialist Republic of Vietnam for “Non‐project Grant Aid”

Delivered 3 mobile water treatment units to Vietnam Maritime University in Haiphong, the Socialist Republic of Vietnam for “Non‐project Grant Aid” 

by Japan’s Grand Aid Program of ODA.

Nihon Genryo delivered 3 mobile water treatment units, whose filter media is not necessary to be replaced, to Vietnam Maritime University which is located in the north of the Socialist Republic of Vietnam in August, 2013. The units, which were installed on the campus of the university, are composed of a filtration device, row water tank (Capacity:5m3), treated water tank (Capacity:8m3), feed pump and back‐washing pump. The public water supply in the university is used as row water of the device to supply with satisfying the water criteria in Vietnam.

Delivered 6 truck mounted water treatment units to Lao People’s Democratic Republic for “The program for the improvement of capabilities to cope with Natural Disaster 

Caused by Climate Change” by Japan’s Grand Aid Program of ODA.

Nihon Genryo delivered 6 units of truck mounted water treatment unit, whose filter media is not necessary to be replaced, to Lao People’s Democratic Republic for “The program for the improvement of capabilities to cope with Natural Disaster Caused by Climate Change” by Japan’s Grand Aid program of ODA. We made a trial run and hold a training to the local engineers in Vientiane, LAOS in January, 2013. This is the truck mounted water treatment unit, using river and creek water as raw water. The purification capacity is 3m3 per hour, also the unit stabilizes a filtration device with a function of self‐washing filter media, compact piping system, chemical injection pumps and control board. The truck has gull wings which can open the both side of the container. It is designed the unit for an emergency and disaster area by truck; therefore, providing drinking water is possible in the early stage of these circumstances.

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Page 4: Member Nihon GenryoCo., Ltd....Delivered 3 mobile water treatment units to Vietnam Maritime University in Haiphong, the Socialist Republic of Vietnam for “Non‐project Grant Aid”

Installed mobile sand filtration device in the disaster area by Typhoon Yolanda in the Republic of the Philippines.~Dispatched the emergency assistant team for supplying drinking water, “NIHON GENRYO 

WATER RESCUE”~

Nihon Genryo dispatched the emergency assistant team for supplying drinking water to the serious disaster area by Typhoon Yolanda in the Republic of the Philippines to install “Mobile Siphon Tank”, which is the mobile sand filtration device, through “Pilot Survey for Disseminating Small and Medium Enterprises Technologies”, collaborating with JICA (Japan International Cooperation Agency). Our emergency assistant team installed and provided the high quality drinking water for just 3 days after we arrived at Daanbantayan, which is located in the north of Cebu Island in the Philippines, in December. 20th, 2013. Also, the filtered water was supplied by water trucks to deliver the “safe water” to the neighboring districts. The row water got muddy, whose turbidity was from 20NTU to 30NTU, because the water source was used for bathing area for cows and washing area for the local people; however, our team realized 0.07NTU, which is the drinkable level, as the filtered water’s turbidity through “Mobile Siphon Tank”.

Implemented "Project Formulation Survey" Under the Governmental Commission on the Projects for ODA Overseas Economic Cooperation in FY2013. 

~Investigation for supplying drinking water business in the Republic of Mozambique in Africa~

From the beginning October, 2013, Nihon Genryo had implemented a project formulation survey for supplying sustainable drinking water business by the filter device, whose filter media is not necessary to be replaced. We had carried out the project for 2 months to explore the possibility of realization of the business in Mozambique using Non‐Electric Source Siphon Tank.

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